How do you use the Change of Base Formula and a calculator to evaluate #log_7 593#?

1 Answer
Plmz1221
Jun 9, 2015

The change of base formula allows you to calculate logs using a specified base usually 10 as this is all most calculators are able to evaluate.

Explanation:

#log_a(x)=(log_10(x))/(log_10(a))#

Therefore

#log_a(x)=(log_10(593))/(log_10(7))#

This is able to be evaluated on a calculator

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